Merck 106575 di-Sodium hydrogen phosphate heptahydrate for analysis EMSURE® ACS 25 kg

Category

Tuzlar

Brand

MERCK

Stock Code

LB.M.106575.9025

Kısa Bilgi

CAS Number: 7782-85-6 EC Number: 231-448-7 Molar Mass: 268.07 g/mol Chemical Formula: Na₂HPO₄ * 7 H₂O Hill Formula: HNa₂O₄P * 7 H₂O Grade: ACS

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Merck 106575

di-Sodium hydrogen phospate heptahydrate for analysis EMSURE® ACS

Description
Catalogue Number	106575
Replaces	SX0715; SX0715-3; SX0715-20
Description	di-Sodium hydrogen phosphate heptahydrate

Product Information
CAS number	7782-85-6
EC number	231-448-7
Grade	ACS
Hill Formula	HNa₂O₄P * 7 H₂O
Chemical formula	Na₂HPO₄ * 7 H₂O
Molar Mass	268.03 g/mol
HS Code	2835 22 00
Quality Level	MQ300

Physicochemical Information
Density	1.68 g/cm3 (20 °C)
Melting Point	48 °C Elimination of water of crystallisation
pH value	8.7 - 9.3 (50 g/l, H₂O, 25 °C)
Bulk density	800 kg/m3
Solubility	154 g/l

Toxicological Information
LD 50 oral	LD50 Rat 12930 mg/kg

Safety Information according to GHS
RTECS	WC4600000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	14 Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).

Storage and Shipping Information
Storage	Store at +5 °C to +30 °C.

Specifications
Assay (acidimetric)	98.0 - 102.0 %
Identity	passes test
Insoluble matter	≤ 0.005 %
pH-value (5 %; water, 25 °C)	8.7 - 9.3
Chloride (Cl)	≤ 0.001 %
Sulfate (SO₄)	≤ 0.005 %
Heavy metals (ACS)	≤ 0.001 %
Fe (Iron)	≤ 0.001 %
Corresponds to ACS

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